The PCI Express card expands your PC by two M.2 slots as well as two SATA connectors. You can connect up to two M.2 modules in format 2280, 2260, 2242, and 2230, while also being able to connect up to two SSDs or HDDs through SATA. Supports RAID 0, RAID 1, RAID 10, and HyperDuo.